05:23:25 Unable to set Cell Caching using SQLite method, reverting to memory<br />05:23:25 Create new PHPExcel object<br />05:23:25 Set properties<br />05:23:25 Add data<br />05:23:25 Hide 'Phone' and 'fax' columns<br />05:23:25 Set outline levels<br />05:23:25 Freeze panes<br />05:23:25 Rows to repeat at top<br />05:23:25 Write to Excel2007 format<br />05:23:25 File written to 06largescale-with-cellcaching-sqlite.xlsx<br />Call time to write Workbook was 0.2451 seconds<br />05:23:25 Current memory usage: 20 MB<br />05:23:25 Peak memory usage: 24 MB<br />05:23:25 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />